Table 2.

Mean costs and adjusted cost differences by category

1-Year costs	1-Year costs*, mean (SD)		Cost difference†, mean (95% CI)
	GCA patients (n = 1293)	Controls (n = 6564)
Total	$34,065 ($52,411)	$12,890 ($37,345)	$16,431 ($13,821–$19,041)
Inpatient	$10,190 ($29,601)	$3004 ($11,120)	$5139 ($3821–$6457)
Outpatient	$19,371 ($31,938)	$6850 ($32,878)	$10,389 ($8769–$12,009)
Pharmacy	$4524 ($5638)	$3034 ($5730)	$663 ($344–$982)

GCA giant cell arteritis, SD standard deviation

* Unadjusted

^†Adjusted for age (linear and quadratic), sex, chronic comorbidity index category, plan type (managed care or other), region, and calendar year